Home / 1,055,177.88-1,456,146.75-571,742.64

Finding the Fourth Proportional to 1,055,177.88, 1,456,146.75 and 571,742.64

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Solution

The fourth proportional to 1,055,177.88, 1,456,146.75 and 571,742.64 is: 789,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,177.88 : 1,456,146.75 = 571,742.64 : x
  2. Step 2: Convert to fraction form
    1,055,177.88/1,456,146.75 = 571,742.64/x
  3. Step 3: Cross multiply
    1,055,177.88x = 1,456,146.75 × 571,742.64
  4. Step 4: Simplify right side
    1,055,177.88x = 832,541,187,072.42
  5. Step 5: Solve for x
    x = 832,541,187,072.42/1,055,177.88
  6. Step 6: Final answer
    x = 789,005.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.